Image for a portion of a display screen



The FIGURE is a front view of an image for a portion of a display screen showing our new design.

The broken line drawings of a portion of a display screen and the unclaimed portion above the claimed design are for illustrative purposes only and form no part of the claimed design. The broken lines on the interior edges of the two prongs of the claimed design represent unclaimed boundaries of the design. 

The ornamental design for an image for a portion of a display screen, as shown and described. 